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About me

Ms. Chathurika Liyanage is a senior lecturer attached to the Department of Pharmacy, Faculty of Allied Health Sciences, General Sir John Kotelawala Defence University (KDU), Sri Lanka. She has been involved in teaching for more than a decade, with a focus on pharmaceutical chemistry, medicinal chemistry, pharmacognosy, pharmaceutics and pharmacology. Her research focuses on designing nanotechnology-based advanced drug delivery systems, investigating the therapeutic potential of natural products, and developing pharmaceutical formulations. She is committed to advancing science education and contributing to impactful research to advance pharmaceutical sciences.

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Other Memberships/Affiliations
Pharmaceutical Society of Sri Lanka (PSSL)
Sri Lanka Association of Advancement of Science (SLAAS)

Degrees:

2013
Undergraduate
Medical and Health Sciences incl Neurosciences
2022
Master
Chemical Sciences

Publications resulting from Research
Full paper Publications
1. Thanishka WADJ, Dassanayake DMWL, Dimbulgahamada DMSR, Fernando WDUS, Dias NTB, De Silva HHVKN and Samanmali BLC, Formulation and in vitro evaluation of an anti-inflammatory herbal suppository containing Peperomia pellucida

2. CR Peiris, UN Wijayawickrema, BLC Samanmali, and DC Manatunga, Preparation, characterization, and in vitro anti-arthritic activity of microcapsules loaded with Bridelia retusa aqueous bark extract for the treatment of rheumatoid arthritis, Advances in Technology,2024, 4(1), 45-56.

3. KG Ileperuma, RU Senanayaka, HPD De Silva, BLC Samanmali, WJABN Jayasuriya, HMDR Herath, 2022. Evaluation of the in vitro anti-inflammatory activity of different fractions of the aqueous extract of Curcuma zedoaria Roscoe rhizome and formulation of a cream with anti-inflammatory potential. Pharmaceutical Journal of Sri Lanka, 12(1), 20–32.

4. DSN De Silva, LL Bandara, BLC Samanmali, WD Ratnasooriya, RN Pathirana,WPK Abeysekara, Investigation of sun screening and antioxidant activity of M. indica ver “Willard” Journal of Pharmacognosy and Phytochemistry 2019; 8(4): 1130-1133

5. WD Ratnasooriya, RN Pathirana, AS Dissanayake, BLC Samanmali, RS Banu Methanolic leaf extract of Ipomoea pes-caprae possesses In vitro sun screen activity, Imperial Journal of Interdisciplinary Science, 2017, 3(2), 150-154.
6. WD Ratnasooriya, RN Pathirana, AS Dissanayake, BLC Samanmali, PK Desman Evaluation of in vitro sun screen activities of salt marshy plants Suaeda monoica, Suaeda maritima and Halosarcia indica, International Journal of Pharmaceutical Research & Allied Sciences, 2016, 5(2), 15-20.

7. WD Ratnasooriya, RN Pathirana, AS Dissanayake, BLC Samanmali, PK Desman In vitro sun screening activity of salt marshy plant Salicornia brachiate, International Journal of Scientific and Research Publications, 2016, 6( 7), 235-238.

8. BLC Samanmali, M Gunathilake, RD Guneratne, TRK Perera Hypoglycaemic effect of methanolic extract of Aporusa lindleyana leaves on rats Journal of National Science Foundation, 2014, 42(2), 129-135.


Conference Publications
1. DWP Niranthara, EMKM Dayarathna, KWDA Fonseka, BLC Samanmali, RN Pathirana, CAN Fernando, Synthesis of eco-friendly chitosan nanoparticles loaded with diclofenac sodium and eucalyptus Essential Oil and Formulation of a Transdermal Patch to Treat Joint Inflammation, Lincoln International Multidisciplinary Conference, 22nd August 2025- Oral presentation

https://lincoln.edu.lk/wp-content/uploads/2025/09/18082025-LIMC-BOOK-2025.pdf


2. MK Mallikaarchchi, RGPPK Siriwardhana, PDN Heenatigala, BLC Samanmali, AI Kuruppu, Evaluation of Methanolic Extracts of Ficus benghalensis Bark, Tectona grandis Leaves, and Ficus religiosa Bark for Effective Wound Treatment, Lincoln International Multidisciplinary Conference, 22nd August 2025- Oral presentation
https://lincoln.edu.lk/wp-content/uploads/2025/09/18082025-LIMC-BOOK-2025.pdf

3. WADJ Thanishka , DMWL Dassanayake, DMSR Dimbulgahamada, WDUS Fernando, NTB Dias, HHVKN De Silva, BLC Samanmali, In vitro Anti-inflammatory Effects and Safety Profiles of Aqueous and Methanolic extracts of Peperomia pellucida, 6th CINEC international research symposium, 1st October 2025-Poster presentation


4. DMWL Dassanayake, WADJ Thanishka, D.M.S.R Dimbulgahamada, WDUS Fernando, NTB Dias, HHVKN De Silva, BLC Samanmali, Development and Stability Evaluation of Anti-Inflammatory Herbal Suppositories Containing Crude Extract of Peperomia pellucida, 1st Research Conference of the Faculty of Health Sciences, The Open University of Sri Lanka, 7th July 2025- Oral presentation
http://repository.ou.ac.lk/handle/94ousl/3077


5. HMRP Premadasa , RDP Isurika , PGNH Dharmasiri , YT Senaweera, BLC Samanmali, and KW Samarakoon, In vitro Antioxidant, Anti-inflammatory and Antacid Activities of the Crude Extract of the Marine Algae Codium sp.,17th International Research Conference, General Sir John Kotelawala Defence University ,27th September 2024- Oral Presentation
https://ir.kdu.ac.lk/handle/345/8200


6. ST Widanagamage, SLTD Samarasinghe, PGNH Dharmasiri, YT Senaweera, KWSamarakoon , and BLC Samanmali, Analysis of Total Phenolic Content, Total Flavonoid Content, Antioxidant and Anti-inflammatory Activities of Halymenia sp, 17th International Research Conference, General Sir John Kotelawala Defence University , 27th September 2024- Oral Presentation
http://192.248.104.6/handle/345/7630


7. HMDP Handugala, PCR Peiris, BLC Samanmali, In-vitro Screening of Pediculicidal Activity of Ethanolic Extract of Leaves of Azadirachta indica, 2nd International Research Symposium on Multidisciplinary Approaches in Indigenous Knowledge Systems, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka, 1st March 2024- Oral presentation

8. BLC Samanmali, AKDVK Wimalasiri, RM de Silva, KMN de Silva, Comparison of Drug Loading Capacities of Mg Al Layered Double Hydroxides Synthesized via Soft Template Method Using Different Aging Conditions, International Research Symposium, Faculty of Allied Health Sciences, University of Ruhuna, Sri Lanka, 10th November 2023- Oral Presentation
http://www.ahs.ruh.ac.lk/ahs/RUFARS/downloads/iRuFARS-Proceedings-2023.pdf

9. MR Jayawardhana, KKCC Pabasara, BLC Samanmali, and AWMKK Bandara Formulation, Characterization, and Evaluation of the Antibacterial Activity of a Polyherbal Hand Sanitizer Gel, 16th International Research Conference, General Sir John Kotelawala Defence University ,7-8th September 2023- Oral Presentation- Oral Presentation
http://ir.kdu.ac.lk/bitstream/handle/345/6964/abstract-final-fahs-online_34-34.pdf?sequence=1&isAllowed=y

10. AL Madawala, PD Gunarathne, SP Bandara, BLC Samanmali, RN Pathirana, Study of In-vitro Antiurolithiatic and Lithotriptic Activities of Crateva adansonii, 5th Research symposium of the Faculty of Allied Health Sciences, University of Ruhuna, 26th August 2022.
http://ir.lib.ruh.ac.lk/xmlui/bitstream/handle/iruor/8260/RUFARS-2022-Proceedings-Page-75.pdf?sequence=1&isAllowed=y
11. BLC Samanmali, AKDVK Wimalasiri, RM de Silva, KMN de Silva, Controlled Release of Diclofenac Sodium from The Mg-Al Layered Double Hydroxide Nanocomposites Synthesized Using PVP- SDS Soft Template, 15th International Research Conference, General Sir John Kotelawala Defence University ,30th September 2022- Oral Presentation
http://ir.kdu.ac.lk/handle/345/6036
12. GGDD Sulakna, IPHS Pathmakumara, AAJ Perera, BLC Samanmali, RK Dissanayake, In-Vitro Antibacterial Activity of Crude Organic Extracts of Selected Pteridophytes Found in Sri Lanka, 15th International Research Conference, General Sir John Kotelawala Defence University ,30th September 2022- Oral Presentation
http://ir.kdu.ac.lk/handle/345/6037
13. BLC Samanmali, RN Pathirana, HIC De Silva, Photoprotective and Antioxidant Activities of Leaf, Fruit, and Seed Extracts of Cynometra Cauliflora: A Comparative Study, 14th International Research Conference, General Sir John Kotelawala Defence University ,30th September 2022- Oral Presentation
https://library.kdu.ac.lk/irc2021/Allied-Health-Sciences%20E.pdf
14. PCR Peiris, BAUN Wijayawickrema, BLC Samanmali, DC Manatunga, Preparation, Characterization and In vitro Releasing of Microcapsules Loaded with Bridelia Retusa Aqueous Bark Extract for Treatment of Rheumatoid Arthritis, 14th International Research Conference, General Sir John Kotelawala Defence University, 9-10th September 2021 -Poster Presentation
https://library.kdu.ac.lk/irc2021/Allied-Health-Sciences%20E.pdf
15. KG Ileperuma , SDR Upeksha, HPD De Silva, BLC Samanmali, WJABN Jayasuriya, HMDR Herath, Evaluation of in-vitro anti-inflammatory activity of a formulation developed by rhizome of Curcuma zedoaria , 4th Research Symposium of the Faculty of Allied Health Sciences, University of Ruhuna -26th August 2021- Poster presentation
https://www.researchgate.net/publication/355058409_Evaluation_of_In_vitro_Anti-inflammatory_Activity_of_a_Formulation_Developed_by_Rhizome_of_Curcuma_zedoaria
16. WDPA Jeewananda, HHND Priyankara, NM Thilakaratne, RN Pathirana, BLC Samanmali, Investigation of in-vitro Antiurolithiatic Activity of Passiflora foetida and Stachytarpheta indica on Experimentally Prepared Calcium Oxalate Crystals, , 13th International research Conference , General Sir John Kotelawala Defence University, 16th October 2020- Oral Presentation
http://ir.kdu.ac.lk/bitstream/handle/345/2904/pdfresizer.com-pdf-split%20100-104.pdf?sequence=1&isAllowed=y

17. PMKT Dharmatilake, TRL Peiris, BLC Samanmali, RN Pathirana, WD Ratnasooriya, In vitro Evaluation of Sunscreen Activity and Phytochemical Screening of Methanolic Leaf Extract of Magnolia figo KDU, IRC , 16th October 2020- Oral Presentation
http://ir.kdu.ac.lk/bitstream/handle/345/2907/pdfresizer.com-pdf-split%20105-109.pdf?sequence=1&isAllowed=y


18. SMDU Silva, AS Malshi, DN Kaluthanthri, BLC Samanmali, HMDR Herath, WJABN Jayasuriya , Formulation Development for a Herbal Cream incorporating the Extracts of Curcuma zedoaria Rhizome , , KDU, IRC , 16th October 2020- Oral Presentation
http://ir.kdu.ac.lk/handle/345/2962

19. TRL Peiris, PMKT Thulana, BLC Samanmali, RN Pathirana, WD Ratnasooriya, In vitro evaluation of antioxidant activity in methanolic leaf extract of Magnolia figo, , 12 th international research conference , General Sir John Kotelawala Defence University, 12th September 2019 -Oral presentation
http://ir.kdu.ac.lk/bitstream/handle/345/2177/Abstract%20Book%20Final%20Version_294.pdf?sequence=1&isAllowed=y
20. DSN Silva, LL Bandara, BLC Samanmali, WD Ratnasooriya, RN Pathirana Investigation of sunscreen activity and phytochemical profile of leaves of three varieties of Mangifera indica in vitro-, Annual Scientific sessions of Pharmaceutical Society of Sri Lanka held on 23rd June 2018, Poster Presentation
21. BLC Samanmali, M Gunatilake, RD Guneratne , TRK Perera Blood glucose lowering effect and toxicity studies of aporusa lindleyana leaves in rats, , Inaugural Scientific Sessions of Sri Lanka Association for Laboratory Animal Science (SLALAS), 25th and 26th January 2014, Faculty of Medicine, University of Colombo –Oral Presentation

22. BLC Samanmali, M Gunatilake, RD Guneratne , TRK Perera, Investigation of hypoglycaemic effect of the methanolic leaf extract of A. lindleyana on rats, 37th Congress of International Union of Physiological Sciences , 21st-26th July 2013 ,Birmingham, United Kingdom -Poster presentation
https://www.physoc.org/abstracts/investigation-of-hypoglycaemic-effect-of-the-methanolic-leaf-extract-of-a-lindleyana-on-rats/